Fig. 11From: Measurement of C-reactive protein, procalcitonin and neutrophil elastase in saliva of COPD patients and healthy controls: correlation to self-reported wellbeing parametersScatter plot with a best fit line between same subject serum and salivary biomarkers. These subjects provided both serum and saliva samples on the same visit. a Salivary vs. serum CRP; b Salivary PCT vs. serum PCT; c Salivary PCT vs. serum CRP; d Salivary PCT vs. salivary CRP; e Salivary NE vs. salivary CRP; f Salivary NE vs. salivary PCTBack to article page